CC:
Click this option to specify users to whom you want to send a carbon copy of the message.

BCC:
Click this option to specify users to whom you want to send a blind copy of the message.

Subject:
Specify the subject of your e-mail message.

Message/Additional Text Sent with the Entry:
Specify the main content of your e-mail message.

Include Attachments:
(This option is not available when you send an e-mail from a folder or workspace.) Select this option if you want to include any attachments that are attached to the entry from where you are sending the e-mail.